Respo-K

Calc sulph, Ferrum phos, Hepar sulph calc, Sambucus nig, Verbascum · Tablet · Oral

Over the counter Blood Coagulation Factor Phosphate Binder

Active ingredient

Active Ingredients HPUS Active Ingredients: Each tabelt contains equal parts of: Calc sulph 6C, Ferrum phos 6C, Hepar sulph calc 12C, Sambucus nig 3X, Verbascum 3X.

Purpose

Relieves congestion for easy breathing

Uses

Uses* Uses*: Homeopathic remedy for upper respiratory infections in pets.

Warnings

Warnings Warnings: If symptoms persist or worsen, seek advice of a veterinarian. If pet is pregnant or nursing, give only on advice of a veterinarian. Keep this and all medication out of reach of children.

Keep out of reach of children

Keep this and all medication out of reach of children.

Directions

Directions Directions: Tablets may be crushed or taken whole. Cats and dogs under 20lbs: 1 tablet 3-5 times daily. Dogs 20-50lbs: 2 tablets 3-5 times daily. Dogs over 50 lbs: 3 tablets 3-5 times daily. Continue for 3-5 days after symptoms subside.

Inactive ingredients

Inactive ingredients Inactive ingredients: Magnesium stearate, Maltodexxtrin, Sucrose.

Label text from the FDA structured product label by SILVER STAR BRANDS (revised Dec 12, 2025). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

Respo-K NDC products (1)

NDCStrength & formLabelerType
68703-356Calcium Sulfate 6 [hp_C]/1801; Ferrosoferric Phosphate 6 [hp_C]/1801; Calcium Sulfide 12 [hp_C]/1801; Verbascum Thapsus…
Tablet
SILVER STAR BRANDSUNAPPROVED HOMEOPATHIC

Frequently asked questions

What is Respo-K used for?

Uses* Uses*: Homeopathic remedy for upper respiratory infections in pets.

Who makes Respo-K?

Respo-K is listed by 1 labeler in the FDA NDC directory, including SILVER STAR BRANDS.